Atmosphere Geography

Q. An important gas in the atmosphere that absorbs sun’s ultraviolet rays is

A
Ozone
B
Oxygen
C
Nitrogen
D
Hydrogen

Correct Answer

Ozone

More Questions on Atmosphere

  • Q. Pampero is ________
    A)A moisture laden wind which brings rainfall to the west coast of Panama
    B)A cold wind which prevails in Argentina and Uruguay
    C)A low pressure area in Equator 63° S
    D)A high pressure area which develops first and then leads to the formation of an anticyclone
    Answer: A cold wind which prevails in Argentina and Uruguay
  • Q. Which one among the following is a high cloud?
    A)Nimbostratus
    B)Cirrus
    C)Cumulonimbus
    D)Stratus
    Answer: Cirrus
  • Q. The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? I. Vegetation II. Water III. Carbon dioxide IV. Oxygen V. Nitrogen
    A)II and III
    B)I and II
    C)III and IV
    D)II and V
    Answer: II and III
  • Q. Venus has atmosphere made up of
    A)Helium
    B)Ammonia
    C)Carbon dioxide
    D)Hydrogen
    Answer: Carbon dioxide
  • Q. The most important factor in thunderstorms development is ________
    A)Abundance of moisture
    B)Atmospheric stability
    C)Atmospheric instability
    D)Temperature inversion
    Answer: Atmospheric instability
  • Q. A devastating Cloud Burst swept over Leh on August 2010. Which one of the following statements with regard to Cloud Burst is not correct?
    A)Cloud Burst occurs only in hilly areas
    B)Cloud Burst is a localized weather phenomenon representing highly concentrated rainfall over a small area in a short duration of time
    C)Cloud Burst occurs due to upward movement of moisture laden air with sufficient rapidity to form cumulonimbus clouds
    D)There is no satisfactory technique till now for predicting Cloud Burst
    Answer: Cloud Burst occurs only in hilly areas
  • Q. Rain shadow effect is associated with
    A)Convectional rainfall
    B)Cyclonic rainfall
    C)Orographic rainfall
    D)Frontal rainfall
    Answer: Orographic rainfall
  • Q. Anticyclones are caused by ________
    A)Winds that blow spirally outwards from the centre
    B)Violent winds
    C)Heavy rainfall
    D)Winds that blow spirally inwards
    Answer: Winds that blow spirally outwards from the centre
  • Q. What is a cloudburst?
    A)It is caused by rapid condensation of very high clouds
    B)It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
    C)It refers to 50mm rain over a period of time
    D)It refers to a thunderstorm with little rain
    Answer: It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
  • Q. Temperature generally decreases towards the poles because ________
    A)Cold surfaces do not absorb solar energy as readily as warm surfaces
    B)Air movement is generally towards the. equator
    C)Cold polar air masses prevent surface heating of the land
    D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
    Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
  • Q. The Ozone hole is detected in the atmosphere, where is it located?
    A)Above India
    B)Above Arctic Ocean
    C)Above Antarctica
    D)Above Alaska
    Answer: Above Antarctica
  • Q. Logically, what does a continually rising air pressure indicate?
    A)Fine and settled weather
    B)Advent of unsettled and cloudy weather
    C)Advent of a cyclone
    D)Fine and unsettled weather
    Answer: Advent of unsettled and cloudy weather
  • Q. Very strong and cold icy winds that blow in the Polar regions are called ________
    A)Blizzards
    B)Typhoons
    C)Tornadoes
    D)Polar winds
    Answer: Blizzards
  • Q. Which of the following statements is wrong?
    A)Roughly V-shaped isobar system with a low pressure at the centre represents a trough
    B)Roughly circular isobar system with a high pressure at the centre represents an anticyclone
    C)Roughly circular isobar system with a low pressure at the centre represents a cyclone
    D)Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
    Answer: Roughly V-shaped isobar system with a low pressure at the centre represents a hurricanes
  • Q. The instrument used for measuring relative humidity in air is ________
    A)Pantograph
    B)Hygrometer
    C)Hydrograph
    D)Barograph
    Answer: Hygrometer
  • Q. The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
    A)Fog
    B)Smog
    C)Frost
    D)Dew
    Answer: Smog
  • Q. The clouds extending from one side of horizon to other as 3 dark grey sheet having uniform base are called ________
    A)Cirrus clouds
    B)Stratus clouds
    C)Cumulus clouds
    D)Nimbus clouds
    Answer: Stratus clouds
  • Q. The zone of Earth’s atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
    A)Troposphere
    B)Mesosphere
    C)Thermosphere
    D)Stratosphere
    Answer: Troposphere
  • Q. Agents of fog formation do not include ________
    A)Winter season
    B)High relative humidity
    C)Diurnal temperatures of short ranges
    D)Rapid radiation
    Answer: Diurnal temperatures of short ranges
  • Q. Wind in the Southern hemisphere is deflected towards left due to ________
    A)Difference in pressure
    B)Temperature variations
    C)Rotation of the earth
    D)Difference in water content
    Answer: Rotation of the earth

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